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United States Patent | 5,041,067 |
Hauser | August 20, 1991 |
A mechanical differential gearing transmission utilizing a plurality of parallel axis rotating shafts and an indirect pulley diameter control variator mechanism in order to provide an infinitely variable forward and reverse gearing between an engine and powered rotating wheels.
Inventors: | Hauser; Hans (Strongsville, OH) |
Assignee: | Agri-Fab, Inc. (Sullivan, IL) |
Appl. No.: | 506558 |
Filed: | April 9, 1990 |
Current U.S. Class: | 475/211; 474/84; 474/117; 474/135; 475/206 |
Intern'l Class: | F16H 037/00; F16H 007/12 |
Field of Search: | 74/689,665 GE,701,740 474/69,77,80,83-89,133,134,135,117 475/206,211,218,221,230,323,329 |
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